How to Do a Tune up

Easy step by step guide on how to tune up an automotive engine,
though each engine configuration is different the process is similar.

Difficulty Scale: 5 of 10

Begin with the car on level ground, in park with the emergency brake set.

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Step 1 - Many times an engine tune up can be accompanied
by a check engine or service engine soon light. If this is the case, connect a
trouble code reader to
retrieve diagnostic trouble codes to isolate the misfiring cylinder or malfunctioning
system.